VIIST is a leading injection molding manufacturer specializing in high-precision plastic parts production for diverse industries. We partner with medical, automotive, consumer electronics, and optical companies to deliver mass-production solutions that combine exceptional quality with cost-effectiveness. Our comprehensive service covers everything from mold design to final assembly.
Our advanced injection molding capabilities ensure:
Process Advantages:
Cost-effective for high-volume production
Excellent repeatability and consistency
High production speed with fast cycle times
Complex feature integration in single parts
Minimal post-processing requirements
Material Expertise:
Polycarbonate (PC): Impact resistance, optical clarity
Acrylic (PMMA): Excellent transparency, UV stability
ABS: Good mechanical strength, cost-effective
HDPE: Chemical resistance, flexibility
PVC: Versatility, flame retardancy
1. Advanced Equipment Portfolio
20 Injection Molding Machines: 50-500 ton clamping force
Electric Injection Machines: Precision control, energy efficiency
Multi-material Molding: Two-shot and overmolding capabilities
Robotic Automation: Automated part removal and assembly
Cleanroom Molding: Class 1000 environment for optical parts
2. Advanced Equipment Portfolio
| Parameter | Capability | Tolerance |
| Clamping Force | 50 – 500 tons | N/A |
| Shot Weight | 10g – 2000g | ±0.5% |
| Part Size | Up to 500mm × 500mm | ±0.02mm |
| Wall Thickness | 0.5mm – 10mm | ±0.05mm |
| Cycle Time | 15-60 seconds | Consistent |
3. Surface Treatment Expertise
Hard Coating: Up to 9H pencil hardness
Anti-Fog Treatment: Permanent hydrophilic coatings
Anti-Glare (AG): Surface etching for optical diffusion
Anti-Reflective (AR): Multi-layer optical coatings
Anti-Fingerprint (AF): Oleophobic nano-coatings
UV Protection: Coatings for outdoor applications
Texture Painting: Custom surface patterns and finishes
1. Design & Engineering
DFM analysis for manufacturability optimization
Mold flow analysis for filling pattern prediction
Gate and runner design for optimal material flow
Cooling system design for cycle time reduction
2. Mold Making
Precision machining of mold components
Surface treatment of mold cavities
Trial shots and mold validation
Final adjustment and certification
3. Production Molding
Material preparation and drying
Process parameter optimization
Automated production with robotic assistance
In-process quality inspection
4. Post-Processing
Gate removal and trimming
Surface treatment application
Quality inspection and testing
Packaging and shipment preparation
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